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| author | Oscar Fuentes <ofv@wanadoo.es> | 2011-01-07 20:31:03 +0000 |
|---|---|---|
| committer | Oscar Fuentes <ofv@wanadoo.es> | 2011-01-07 20:31:03 +0000 |
| commit | 53bf3ee82ba9fb6e6008b9752d4f8f4e71a4bfe4 (patch) | |
| tree | fc8454872de6a8f1abedd10a93fa6acad41ef527 /cmake | |
| parent | 8e3914d12e939d7c686bd121b0e2b2d39ed126d2 (diff) | |
| download | llvm-53bf3ee82ba9fb6e6008b9752d4f8f4e71a4bfe4.tar.gz llvm-53bf3ee82ba9fb6e6008b9752d4f8f4e71a4bfe4.tar.bz2 llvm-53bf3ee82ba9fb6e6008b9752d4f8f4e71a4bfe4.tar.xz | |
Don't use -O3 on Mingw, as people report it as unreliable. Use -O2
instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123028 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/modules/LLVMProcessSources.cmake | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/cmake/modules/LLVMProcessSources.cmake b/cmake/modules/LLVMProcessSources.cmake index 5f59eac451..98b61296db 100644 --- a/cmake/modules/LLVMProcessSources.cmake +++ b/cmake/modules/LLVMProcessSources.cmake @@ -1,5 +1,15 @@ include(AddFileDependencies) +macro(llvm_replace_compiler_option var old new) + # Replaces a compiler option or switch `old' in `var' by `new'. + # If `old' is not in `var', appends `new' to `var'. + # Example: llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2") + if( "${${var}}" MATCHES "(^| )${old}($| )" ) + string( REGEX REPLACE "(^| )${old}($| )" " ${new} " ${var} "${${var}}" ) + else() + set( ${var} "${${var}} ${new}" ) + endif() +endmacro(llvm_replace_compiler_option) macro(add_td_sources srcs) file(GLOB tds *.td) |